Safety; Explanation Of Symbols; Intended Use - WIKA TC82 Información Adicional

1. Ex marking / 2. Safety
When there is a built-in transmitter and/or a digital display, the special conditions from the
type examination certificate (see chapter 4 "Special conditions for use (X conditions)")
apply.

2. Safety

2.1 Explanation of symbols

DANGER!
... indicates a potentially dangerous situation in the hazardous area that can
result in serious injury or death, if not avoided.

2.2 Intended use

The thermometers described here are suitable for temperature measurement in hazardous
areas like e.g. sulphur recovery units (SRU).
The electrical thermometer model TC8x-F is made of a module (model TC8x-M), which is
fitted to an Ex d certified case. The module consists of the flange assembly with ceramic
tubes, all parts of electrical insulation of the thermocouple wires and a gas-tight bushing to
limit the flameproof area.
The sensing part of the module is made of ceramic insulated thermocouple wires.
The thermometer/module will be mounted to an Ex d or Ex db certified case manufactured
by WIKA series 1/4000F, 7/8000 or 5/6000. The case and covers are made of stainless
steel or aluminum. The cover could be optionally provided with a glass lens (window).
Alternatively, the thermometer will be mounted to other certified cases or assemblies
as listed in the "WIKA ATEX and IECEx Ex-d housing and device list" (article no.
14405410.01).
3 different variants are available:
Variant 1: The thermometer is fitted to a certified empty case in the type of protection
■
"flameproof enclosure". Terminals are mounted inside the case.
Variant 2: The thermometer is fitted to a certified empty enclosure in the type of
■
protection "flameproof enclosure". Electronic equipment is mounted inside the case.
Variant 3: The thermometer is fitted to a certified apparatus (transmitter) in the type of
■
protection "flameproof enclosure". The thermometer is marked II 2/-G Ex db IIC Gb/-.
WIKA additional information TC82, TC83, flameproof enclosure (Ex d)
EN
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